So, how many stars are there in space? No one knows for sure. Some astronomers in the European Space Agency', or the ESA, have some estimates (估计) about the total number of stars in the universe.The Milky Way is very important to humans because it is the home galaxy of our Su...
So, how many stars are there in space? No one knows for sure. Some astronomers in the European Space Agency', or the ESA, have some estimates (计) about the total number of stars in the universe.The Milky Way' is very important to humans because it is the home galaxy of our Sun...
The Milky Way is the galaxy in which Earth resides. Part of it is visible on a clear night (from sufficiently dark locations) as a thick opaque band of stars and dust stretching across the sky. We can see thousands of these stars with the naked eye, and many more with a telescope. B...
But it's also a changing tapestry, as new stars are constantly being born, and others are dying. In fact, that will be the fate of our own sun in roughly 5 billion years. But how quickly does the night sky change, and in our galaxy, the Milky Way, how many stars die each year?
阅读理解。 Do you know how many stars there are in the universe? The answer is WANY! Our sun is one of about 100 billion stars in our galaxy the Milky Way. But the Milky Way is just one of billions of galaxies that we know about!
请阅读下面语篇,根据其内容,从方框内所给的选项中选出能填入空白处的最佳选项,使其意思通顺,并在答题卡上将该项涂黑。 选项中有一项为多余项。How many stars c
用“too”,此句描述客观事实,用一般现在时,主语是 they,be 动词用 are,所以是 “are too far away from us”。2.“迄今为止” 常见的英文表达是 “so far”,常与现在完成时连用,符合此句语境。3.“发高烧” 的固定短语是 “have a high fever”,根据 “last night” 可知句子是一般过去时,have 的...
100 billion stars in our galaxy, the Milky Way. But the Milky Way is just one of billions of galaxies that we know about! Some other scientists say there are 2,000,000,000,000,000,000 stars! The largest star that we know about is called the Pistol Star (手枪星). The PistolStar ...
Unit 7 How many stars does each group have? class班 star星 does助动词(无实际意义) each每个;各 group组 blackboard黑板 see明白;看见 Let me see.让我想想。 winner胜利者,赢家 Chinese中国的;中国人;中国人的;汉语 maths数学以上内容来自专辑 小学四年级上册英语单词听写 456318免费订阅 Unit 3 Welcome ...
Astronomers haveestimatedthe number of stars in the Milky Way galaxy as one hundred billion (this is a low estimate by the way). The Milky Way is an average galaxy. Astronomers estimate that there are one hundred billion galaxies in the known universe (another low estimate). The math to fi...